Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/app/htdocs/message_gateway_20231016/vendor/nikic/php-parser/test/PhpParser/Unserializer/XMLTest.php:8 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway_20231016/vendor/nikic/php-parser/test/PhpParser/Unserializer/XMLTest.php on line 8